Add repository Issue Forms for bug, feature, refactor, and custom intake (#10)

* Initial plan

* Add GitHub issue templates for bug feature refactor and blank

Co-authored-by: JusterZhu <11714536+JusterZhu@users.noreply.github.com>
Agent-Logs-Url: https://github.com/GeneralLibrary/GeneralUpdate.Avalonia/sessions/c7e85d63-7513-43c6-a665-b060dea45842

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: JusterZhu <11714536+JusterZhu@users.noreply.github.com>

Author: Copilot

.github/ISSUE_TEMPLATE/blank_issue.yml

@@ -0,0 +1,9 @@
+name: Blank issue
+description: Open an issue with a custom format.
+title: "[Issue]: "
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please provide enough context so maintainers can help effectively.
+

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,60 @@
+name: Bug report
+description: Report a reproducible problem in GeneralUpdate.Avalonia.Android.
+title: "[Bug]: "
+labels:
+  - bug
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for reporting a bug. Please provide enough details for us to reproduce and fix it quickly.
+  - type: textarea
+    id: summary
+    attributes:
+      label: Bug summary
+      description: What happened?
+      placeholder: A concise description of the problem.
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected behavior
+      description: What did you expect to happen?
+    validations:
+      required: true
+  - type: textarea
+    id: reproduce
+    attributes:
+      label: Steps to reproduce
+      description: Provide clear, numbered reproduction steps.
+      placeholder: |
+        1. ...
+        2. ...
+        3. ...
+    validations:
+      required: true
+  - type: textarea
+    id: environment
+    attributes:
+      label: Environment
+      description: Tell us about your runtime and tooling.
+      placeholder: |
+        - Package version:
+        - .NET SDK version:
+        - Target framework: net8.0-android
+        - Avalonia version:
+        - Android version/device:
+    validations:
+      required: true
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs / stack trace
+      description: Paste related logs or exceptions.
+      render: shell
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional context
+      description: Add links, screenshots, or anything else that helps.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Discussions
+    url: https://github.com/GeneralLibrary/GeneralUpdate.Avalonia/discussions
+    about: Ask questions and discuss ideas with the community.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,47 @@
+name: Feature request
+description: Suggest a new capability for GeneralUpdate.Avalonia.Android.
+title: "[Feature]: "
+labels:
+  - enhancement
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for the suggestion. Please describe the scenario and expected value clearly.
+  - type: textarea
+    id: summary
+    attributes:
+      label: Feature summary
+      description: What capability would you like to add?
+    validations:
+      required: true
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem or use case
+      description: What problem are you trying to solve?
+    validations:
+      required: true
+  - type: textarea
+    id: proposal
+    attributes:
+      label: Proposed solution
+      description: How do you think this should work?
+    validations:
+      required: true
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives considered
+      description: What alternatives have you considered?
+  - type: textarea
+    id: impact
+    attributes:
+      label: Impact and compatibility
+      description: Mention API, behavior, or migration impact if known.
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional context
+      description: Add links, examples, or references.
+

.github/ISSUE_TEMPLATE/refactoring_request.yml

@@ -0,0 +1,50 @@
+name: Refactoring request
+description: Propose internal improvements without changing behavior.
+title: "[Refactor]: "
+labels:
+  - refactor
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Use this template for maintainability improvements, cleanup, and technical debt reduction.
+  - type: textarea
+    id: scope
+    attributes:
+      label: Refactoring scope
+      description: Which module/file/area should be refactored?
+      placeholder: e.g. src/GeneralUpdate.Avalonia.Android/Services/...
+    validations:
+      required: true
+  - type: textarea
+    id: motivation
+    attributes:
+      label: Motivation
+      description: Why is this refactoring needed?
+    validations:
+      required: true
+  - type: textarea
+    id: current
+    attributes:
+      label: Current pain points
+      description: Describe complexity, duplication, readability, or testability issues.
+    validations:
+      required: true
+  - type: textarea
+    id: desired
+    attributes:
+      label: Desired outcome
+      description: What should be improved after refactoring?
+    validations:
+      required: true
+  - type: textarea
+    id: constraints
+    attributes:
+      label: Constraints
+      description: Any boundaries (no API change, performance constraints, etc.).
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional context
+      description: Add references, related issues, or code snippets.
+